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ASTM D2797/D2797M-20a

Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light (Includes all amendments And changes 5/27/2021).

NORMA vydaná dňa 1.8.2020

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The information about the standard:

Designation standards: ASTM D2797/D2797M-20a
Note: NEPLATNÁ
Publication date standards: 1.8.2020
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Kategória: Technické normy ASTM

Annotation of standard text ASTM D2797/D2797M-20a :

Keywords:
binding material, coal, grinding, maceral, mold, polishing, rank, reflectance, sieve,, ICS Number Code 73.040 (Coals)